JP2016004753A - Decoration component and panel type lighting device with the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a decoration component which enables a lateral space of a panel type lighting device to look bright, and to provide the panel type lighting device including the decoration component.SOLUTION: A panel type lighting device 10 is attached to a ceiling frame 3 and includes: a translucent cover 21 in which a lower surface is formed as a light emitting surface part 40; a frame 22 which has a top surface 32 and forms a lamp chamber S with the translucent cover 21; and a light source 23 provided in the lamp chamber S. A decoration part 20 is provided at a periphery of the later side of the panel type lighting device 10 and has a light emission surface part 51.

Description

  The present invention relates to a decorative part and a panel-type lighting device with a decorative part.

  A panel-type lighting device that emits light in a planar shape is attached to a system ceiling of an office building or the like. The panel-type illumination device described in Patent Document 1 makes the panel-type illumination device appear brighter by illuminating the outer peripheral edge of the light emitting surface facing downward.

International Publication No. 2013/133147

  The present inventors have noticed that there is room to make the side space of the panel-type lighting device appear brighter.

  Accordingly, an object of the present invention is to provide a decorative part that can make the side space of the panel-type lighting device appear brighter and a panel-type lighting device with the decorative part that can make the side face appear brighter.

The decorative part according to the present invention is
A panel type having a light emitting panel attached to a ceiling frame and having a light emitting surface portion on the bottom surface, a frame having a top surface portion and forming a lamp chamber together with the light emitting panel, and a light source provided inside the light chamber A light emitting surface portion is provided around the side of the lighting device.

  According to the decorative part having the above configuration, the side space of the panel-type lighting device can be brightly displayed by the decorative part. Thereby, the whole ceiling including the space of the side of a panel type illuminating device can be shown brightly.

  In the decorative part having the above configuration, the light emitting surface portion may emit light from the light source of the panel illumination device. According to the decorative part having the above configuration, the decorative part emits light with the light from the light source of the panel illumination device, so that a separate light source for emitting the decorative part is unnecessary.

  In the decorative part having the above configuration, the light emitting surface portion may emit light by a decorative light source different from the light source of the panel illumination device. According to the decorative part having the above configuration, the decorative part can be made to emit light more brightly by the decorative light source different from the light source of the panel illumination device.

  In the decorative part having the above-described configuration, the decorative part may include an incident surface that faces a side surface portion of the panel-type lighting device, and a light guide portion that guides light incident from the incident surface to the light emitting surface portion. . According to the decorative part having the above configuration, it is possible to emit light without requiring a separate light source, and it is possible to illuminate an arbitrary region by forming it in various shapes.

A panel-type lighting device with a decorative part according to the present invention,
A light-emitting panel whose bottom surface is a light-emitting surface, a frame that has a top surface and forms a lamp chamber together with the light-emitting panel, and a light source provided inside the lamp chamber and that is attached to a ceiling frame Mold lighting device;
Comprising the above decorative parts,
The decorative part is provided in a gap between the ceiling frame and the panel illumination device.

  According to the panel-type lighting device with a decorative part having the above configuration, the gap between the ceiling frame and the panel-type lighting device can be made bright by the decorative part. Thereby, the whole ceiling including the space of the side of a panel type illuminating device can be shown brightly.

  In the panel-type lighting device with a decorative part having the above-described configuration, the panel-type lighting device includes a ceiling fixing portion attached to a ceiling frame and a mounting piece having a frame fixing portion attached to the frame of the panel-type lighting device. It may be fixed to the ceiling frame. According to the panel-type illumination device with a decorative part having the above-described configuration, the panel-type illumination device can be easily attached to the ceiling by using the attachment piece.

  In the panel type lighting device with a decorative part having the above configuration, the light emitting surface portion of the panel type lighting device is positioned below the ceiling frame, and the mounting piece is in a direction away from the side surface portion of the panel type lighting device in the horizontal direction. It may extend. According to the panel-type lighting device with a decorative part configured as described above, a gap is likely to be generated between the ceiling frame and the side surface of the lighting device. Since the decorative part is provided in this gap, the entire ceiling including the gap is provided. Can be shown brightly.

  In the panel-type lighting device with a decorative part configured as described above, the decorative part may be engaged with an engaging portion provided on a side surface of the panel-type lighting device. According to the panel-type lighting device with a decorative part configured as described above, the decorative part can be easily attached to the side surface of the panel-type lighting device by engaging the decorative part with the engaging portion.

  ADVANTAGE OF THE INVENTION According to this invention, the panel type illuminating device with a decorative component and a decorative component which can make the circumference | surroundings of a panel type illuminating device bright can be provided.

It is a bottom view of the panel type illuminating device which concerns on embodiment of this invention. It is a side view of the panel type illuminating device which concerns on embodiment. It is sectional drawing of a part of panel type illuminating device provided with the decorative component which concerns on embodiment. It is a schematic sectional drawing of a part of panel type illuminating device which shows the other fixed structure of the decorative component with respect to a panel type illuminating device. It is a schematic sectional drawing of a part of panel type illuminating device provided with the decorative component which concerns on the modification 1. FIG. It is a schematic sectional drawing of a part of panel type illuminating device provided with the decorative component which concerns on the modification 2. It is a schematic sectional drawing of a part of panel type illuminating device provided with the decorative component of the other shape in the modification 2. It is a schematic sectional drawing of a part of panel type illuminating device provided with the decorative component which concerns on the modification 3. It is sectional drawing of a part of panel type illuminating device which shows the fixation structure of the panel type illuminating device to T-bar. It is sectional drawing of a part of panel type illuminating device which shows the fixation structure of the panel type illuminating device to a suspending bolt.

Hereinafter, an example of an embodiment of a decorative part and a panel type lighting device with a decorative part according to the present invention will be described with reference to the drawings.
FIG. 1 is a bottom view of the panel illumination device 10 according to the present embodiment, in which a part of the translucent cover 21 is cut away to show the inside. FIG. 2 is a side view of the panel illumination device 10 according to the present embodiment.
As shown in FIGS. 1 and 2, the panel illumination device 10 according to the present embodiment is attached to a ceiling T. In the following description, “lower” means the X direction shown in FIG. 2, and “right” means the Y direction shown in FIG.

(Panel-type lighting device)
The panel illumination device 10 is a flat rectangular parallelepiped illumination fixture. A panel space 2 formed in the ceiling material 1 is provided on a ceiling T formed of a system ceiling to which the panel type lighting device 10 is attached. The panel illumination device 10 is fitted in the panel space 2.

  The panel illumination device 10 includes a power supply unit 13 connected via a power cable 12. The power supply unit 13 can output an alternating current from the external power supply 14 as a predetermined voltage or current. The panel illumination device 10 is driven by electric power supplied from the power supply unit 13 via the power cable 12.

FIG. 3 is a cross-sectional view of a part of the panel type lighting device including the decorative component according to the present embodiment.
As shown in FIG. 3, the panel illumination device 10 includes a translucent cover 21, a frame 22, a light source 23, and a circuit board 24.

  The translucent cover 21 is a resin molded product integrally formed of milky white light-transmitting acrylic resin or the like. The translucent cover 21 has a box shape opened upward. The translucent cover 21 includes a light emitting surface portion 40 (lower surface) that faces downward, a side surface portion 41 that extends upward from the periphery of the light emitting surface portion 40, and an engagement protrusion 42 that protrudes laterally from the upper end of the side surface portion 41. Yes. The translucent cover 21 has a light transmittance of 30% to 85% and a haze value of 40% to 100%. Thereby, this translucent cover 21 transmits light well while haze-diffusing it, and prevents the inside of the translucent cover 21 from being visually recognized from the outside.

The frame 22 is a member formed by bending and punching a metal plate. The frame 22 has a flat top surface 32, a side wall portion 33 extending downward from the periphery of the top surface 32, and an engagement groove 34 provided at an edge portion of the side wall portion 33 and opening inward. .
A translucent cover 21 is attached to the lower part of the frame 22, and a lamp chamber S is formed between the frame 22 and the translucent cover 21. The translucent cover 21 is attached to the frame 22 by engaging the engaging protrusions 42 of the translucent cover 21 with the engaging grooves 34 of the frame 22.

  Inside the lamp chamber S, a light source 23 and a circuit board 24 are provided. A plurality (9 in the illustrated example) of rectangular circuit boards 24 are mounted on the lower surface of the frame 22 (see FIG. 1). A plurality of (25 in the illustrated example) light sources 23 are mounted on the circuit board 24 at equal intervals.

  The light source 23 includes an LED (Light Emitting Diode) element 35 and a lens 36 formed to cover the LED element 35. The LED element 35 emits white light having a color similar to that of a fluorescent lamp. The lens 36 covering the LED element 35 refracts the light from the LED element 35 and emits the light in a wide range below and on the side.

(Mounting piece)
The panel type illumination device 10 is fixed to the ceiling frame 3 by an attachment piece 61. The ceiling frame 3 is stretched around in a lattice shape, and a panel-like ceiling material 1 is provided below the ceiling frame 3. The attachment piece 61 is a member formed by bending and punching a metal plate. The attachment piece 61 integrally includes a ceiling fixing portion 62, a frame fixing portion 63, and a connecting portion 64.
The attachment piece 61 has a stepped shape in which the frame fixing portion 63 is positioned below the ceiling fixing portion 62. The ceiling fixing part 62 and the frame fixing part 63 are connected by an inclined connecting part 64.
The ceiling fixing part 62 is fixed to the ceiling frame 3 with screws 60, and the frame fixing part 63 is fixed to the top surface 32 of the frame 22 of the panel type lighting device 10 with screws 60, whereby the mounting piece 61 is attached to the panel type lighting device. 10 is attached to the ceiling frame 3. Accordingly, the panel illumination device 10 is fixed to the ceiling frame 3 of the ceiling T by the attachment piece 61.
In a state where the panel type lighting device 10 is fixed to the ceiling frame 3 by the attachment piece 61, the light emitting surface portion 40 of the translucent cover 21 is positioned below the ceiling frame 3. Further, the attachment piece 61 extends in a direction away from the side surface of the panel illumination device 10 in the horizontal direction.

(Decoration parts)
A decorative part 20 is provided around the side of the panel illumination device 10. The side surface of the panel illumination device 10 is covered with a decorative component 20 over the entire circumference. The decorative component 20 is formed of a transparent material such as a resin having light permeability. The decorative component 20 is integrally provided with a light emitting surface portion 51 and a fixed piece portion 53.

  The fixing piece portion 53 is sandwiched between the frame fixing portion 63 of the attachment piece 61 and the top surface 32 of the frame 22. The fixed piece portion 53 extends outward from the top surface 32 of the frame 22 of the panel illumination device 10. Thereby, the decorative component 20 is attached to the panel type lighting device 10 so as to cover the side surface of the panel type lighting device 10.

The light emitting surface portion 51 extends downward from the outer edge of the fixed piece portion 53 and is bent inward, and continues to the lower surface of the light transmitting cover 21 of the panel illumination device 10. The light emitting surface portion 51 gives a sense of unity of the panel illumination device 10 to the ceiling T.
The light emitting surface portion 51 of the decorative component 20 is, for example, subjected to a texture process and has a high haze. For example, the light emitting surface portion 51 has a light transmittance of 30% to 85% and a haze value of 40% to 100%. Thereby, this light emission surface part 51 is made not to visually recognize the inside of the decoration component 20 from the exterior, making it permeate | transmit favorably, carrying out haze diffusion.

(effect)
In the panel-type lighting device 10 with the decorative component 20 configured as described above, when the LED element 35 is turned on, the light L from the LED element 35 is refracted by the lens 36 and falls in a wide range below and to the side. Emitted. A part of the light L is emitted downward and laterally while being diffused by the light emitting surface portion 40 and the side surface portion 41 of the translucent cover 21, and causes the light emitting surface portion 40 and the side surface portion 41 to emit light.

  Further, a part of the light L emitted from the panel illumination device 10 to the side enters the decorative component 20 from the side surface portion 41. This light is emitted downward and laterally while being diffused from the light emitting surface portion 51 of the decorative component 20. Thereby, as the panel illumination device 10 is turned on, the entire decorative part 20 that covers the periphery of the panel illumination device 10 also emits light.

  Thus, according to the present embodiment, the side space of the panel illumination device 10 can be made bright by the decorative component 20. Even if there is a gap between the ceiling frame 3 and the side of the panel type lighting device 10, this space tends to be a dark part, but the decorative part 20 can make this space appear bright. Thereby, the whole ceiling including the space of the side of the panel type illuminating device 10 can be shown brightly. In addition, the decorative component 20 prevents the screws 60 and the suspension bolts 85 (see FIG. 10) on the ceiling frame 3 from being visible, or decorates the periphery of the panel-type lighting device 10 to obtain a good appearance. Can do.

  Moreover, since the decorative component 20 around the panel-type lighting device 10 emits light, the panel-type lighting devices 10 provided with the decorative component 20 are installed adjacent to each other, so that the panel-type lighting devices 10 can be seamlessly connected to each other at the time of lighting. It can appear to be installed.

  Moreover, since the decorative component 20 emits light with the light from the light source 23 of the panel illumination device 10, a separate light source for causing the decorative component 20 to emit light is unnecessary.

  Further, since the attachment piece 61 extends away from the side surface of the panel type lighting device 10 in the horizontal direction, a gap is likely to be formed between the ceiling frame 3 and the side surface of the panel type lighting device 10. Since the component 20 is provided and emits light, the side space of the panel illumination device 10 can be shown brightly.

In addition, the structure for fixing the decorative component 20 to the side surface of the panel illumination device 10 is not limited to the structure using the attachment piece 61.
FIG. 4 is a schematic cross-sectional view of a part of the panel type lighting device showing another fixing structure of the decorative part 20 to the panel type lighting device 10.

  As shown in FIG. 4, the decorative part 20 ′ may be attached by being engaged with the panel type lighting device 10. In this example, the fixed piece 65 is a metal plate. The fixing piece portion 65 is sandwiched between the top surface 32 of the frame 22 and the frame fixing portion 63. The fixed piece 65 protrudes to the side of the panel type lighting device 10, and a claw portion 66 is provided at the tip thereof. An engagement protrusion 68 that engages with the claw portion 66 is provided on the upper end portion of the decorative component 20 ′. The decorative part 20 ′ is attached to the panel illumination device 10 by engaging the engaging protrusion 68 of the decorative part 20 ′ with the claw part 66 of the fixed piece 65.

  According to the above structure, the decorative component 20 ′ can be easily attached to the panel by fitting the decorative component 20 ′ into the position covering the periphery of the panel illumination device 10 from the lower side and engaging the engaging protrusion 68 with the claw portion 66. It can be attached to the side surface of the mold illumination device 10.

(Modification 1)
Further, the structure of the decorative part 20 is not limited to the above.
FIG. 5 is a schematic cross-sectional view of a part of the panel illumination device 10 including the decorative component 20A according to the first modification.
As shown in FIG. 5, the decorative component 20 </ b> A according to Modification 1 includes a decorative light source 71 inside. The decorative light source 71 is a light source different from the light source 23 of the panel illumination device 10. The light source 23 and the decorative light source 71 of the panel illumination device 10 are connected to a common power supply unit 13. The decorative light source 71 is turned on when power is supplied from the power supply unit 13.

In the first modification, by turning on the decorative light source 71 different from the light source 23 of the panel illumination device 10, the light emitting surface portion 51A of the decorative component 20A can emit light more brightly.
In addition, since the light source 23 and the decorative light source 71 of the panel illumination device 10 are connected to the common power supply unit 13, a separate power supply unit for lighting the decorative light source 71 can be eliminated.

(Modification 2)
FIG. 6 is a schematic cross-sectional view of a part of the panel illumination device 10 including the decorative component 20B according to the second modification.
As illustrated in FIG. 6, the decorative component 20 </ b> B according to the second modification is configured from a light guide that guides light. The decorative component 20B made of the light guide includes an incident surface 75 facing the side surface portion 41 of the panel illumination device 10, and a light guide portion 76 that guides light incident from the incident surface 75 to the light emitting surface portion 51B. Yes.
When the light source 23 of the panel illumination device 10 is turned on, the light enters the decorative component 20B from the incident surface 75 and is emitted from the light emitting surface portion 51B while being guided by the light guide portion 76.

According to the decorative component 20B according to the second modification, it is possible to emit light without requiring a separate light source, and since it can be formed in various shapes, any area can be illuminated, The aesthetics of the decorative component 20B can be improved. For example, the decorative part may have a shape shown in FIG.
FIG. 7 is a schematic cross-sectional view of a part of the panel illumination device 10 including the decorative part 20B ′ having another shape according to the second modification. As shown in FIG. 7, the lower surface 77 of the decorative component 20B ′ is formed on a flat end surface, and light is collected to the side of the decorative component 20B ′ while reflecting a lot of light from the panel illumination device 10 on the lower surface 77. it can. Thereby, many light can be radiate | emitted from the side surface of decorative component 20B ', and the side of the panel type illuminating device 10 can be made to appear brighter.

(Modification 3)
FIG. 8 is a schematic cross-sectional view of a part of a panel-type lighting device including a decorative part according to Modification 3.
As shown in FIG. 8, the decorative component 20C according to the modified example 3 has a light emitting surface portion 51C made of a reflective surface. The light emitting surface portion 51 is a reflective surface that reflects light by, for example, painting the surface of the decorative component 20C in white or pasting a white reflective sheet on the surface of the decorative component 20C.

  In the decorative component 20C, when the light source 23 of the panel illumination device 10 is turned on, the light is reflected by the light emitting surface portion 51C formed of a reflective surface. As a result, the light emitting surface portion 51 </ b> C emits light by reflecting the light from the panel illumination device 10 without providing a separate light source.

In addition, the fixing structure to the ceiling T of the panel type illuminating device 10 is not restricted to said example, It can fix to the ceiling T with various fixing structures.
Hereinafter, another fixing structure of the panel type lighting device 10 to the ceiling T will be described.

FIG. 9 is a partial cross-sectional view of the panel illumination device 10 showing a structure for fixing the panel illumination device 10 to the ceiling T provided with the T bar 81.
As shown in FIG. 9, the ceiling T is provided with a T-bar 81 that is fixed to the ceiling frame. On the other hand, in the attachment piece 61A, the connecting portion 64A extends upward from the frame fixing portion 63A, and the ceiling fixing portion 62A is bent in a U shape with the lower side open. This ceiling fixing portion 62 </ b> A is locked to the upper end of the T bar 81. According to this fixing structure, the panel illumination device 10 can be easily and reliably attached to the ceiling T having the T bar 81.

FIG. 10 is a partial cross-sectional view of the panel illumination device 10 showing a structure for fixing the panel illumination device 10 to the ceiling T provided with the suspension bolts 85.
As shown in FIG. 10, suspension bolts 85 are suspended from the ceiling T. On the other hand, an insertion hole (not shown) through which the suspension bolt 85 can be inserted is formed in the ceiling fixing portion 62B of the attachment piece 61B. The ceiling fixing part 62 is fastened and fixed by being sandwiched by nuts 86 threaded into the suspension bolts 85 through which the suspension bolts 85 are passed. According to this fixing structure, the panel illumination device 10 can be easily and reliably attached to the ceiling T having the suspension bolts 85.

  In addition, in embodiment mentioned above and its modification, although the attachment piece was demonstrated as a member separate from the panel type illuminating device 10, you may form an attachment piece integrally with the flame | frame 22. FIG.

3: Ceiling frame 10: Panel illumination device 20, 20 ′, 20A, 20B, 20B ′, 20C: decorative part 21: light emitting panel 22: frame 23: light source 32: top surface 40: light emitting surface (lower surface)
51, 51A, 51B, 51B ′, 51C: Light emitting surface portions 61, 61A, 61B: Mounting piece 62: Ceiling fixing portion 63: Frame fixing portion 71: Decorative light source S: Lamp chamber

Claims (8)

  A panel type having a light emitting panel attached to a ceiling frame and having a light emitting surface portion on the bottom surface, a frame having a top surface portion and forming a lamp chamber together with the light emitting panel, and a light source provided inside the light chamber A decorative part provided around the side of the lighting device and having a light emitting surface portion.   The decorative part according to claim 1, wherein the light emitting surface portion emits light from the light source of the panel illumination device.   The decorative part according to claim 1, wherein the light emitting surface portion emits light from a decorative light source different from the light source of the panel illumination device.   The decorative component according to claim 1, wherein the decorative component includes an incident surface facing a side surface of the panel illumination device, and a light guide unit that guides light incident from the incident surface to the light emitting surface unit. A light-emitting panel whose bottom surface is a light-emitting surface portion, a frame that has a top surface and forms a lamp chamber together with the light-emitting panel, and a light source provided inside the lamp chamber and that is attached to a ceiling frame Mold lighting device;
A decorative part according to any one of claims 1 to 4,
The decorative part is a panel-type lighting device with a decorative part provided in a gap between a ceiling frame and the panel-type lighting device.   The said panel type illuminating device is being fixed to the ceiling frame via the attachment piece which has the ceiling fixing | fixed part attached to a ceiling frame, and the frame fixing | fixed part attached to the frame of the said panel type illuminating device. A panel-type lighting device with a decorative part as described. The lower surface of the panel illumination device is located below the ceiling frame;
The panel-type lighting device with a decorative part according to claim 6, wherein the mounting piece extends in a direction away from a side surface of the panel-type lighting device in a horizontal direction. The panel-type lighting device with a decorative component according to claim 7, wherein the decorative component is engaged with an engaging portion provided on a side surface of the panel-type lighting device.

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